English – KEYENCE SL-R12EX User Manual
Page 23
Chapter 2 Functions
2-7
2
ENGLISH
State
(1)
(2)
(3)
(4)
(5)
(6)
Sensor A1
OFF
ON
ON
ON
OFF
OFF
Sensor A2
OFF
OFF
ON
ON
OFF
OFF
Sensor B1
OFF
OFF
OFF
ON
ON
OFF
Sensor B2
OFF
OFF
OFF
ON
ON
ON
SL-C Series state
(Normal operation)
(Muting function enabled)
(Normal operation)
Safety functions enabled
Safety functions disabled
Safety functions enabled
* Muting device location in the above examples
Sensor B2
Sensor A2
Sensor A1
SL-C Series
Workpiece
Safe zone
Hazardous zone
Sensor B1
L
S
D1
D2
D3
As indicated in the diagram to the left, L represents the
workpiece length, while S indicates the speed of the
workpiece as it approaches the light curtain's detection
zone.
When installing the muting devices, the following condi-
tions must be fully satisfied.
D1: The distance between A1 and B2
D2: The distance between A1 and A2
D3: The distance between B1 and B2.
L:
The length of the workpiece
S:
The speed of the workpiece
(1) D1 < L
(2) D2 < S X 3 (seconds)
(3) D3 < S X 3 (seconds)
See “4-5 Muting function” (
➮4-10) for information about how to set or configure these functions.
In order to carry out this function, you must install muting devices (sensors, switches, etc.) and a muting
lamp (SL-R12D is recommended). See “4-5-1 Muting devices” (
➮4-10) for information about muting device
requirements and “4-5-2 Muting lamps” (
➮4-12) for information about muting lamp requirements.
The information presented up to this point is intended as an example of typical requirements. The satisfac-
tion of these requirements must not be understood as being equivalent to the satisfaction of all regulations
imposed on the muting function (including methods of installation and use) being used by the customer.
Therefore, KEYENCE does not guarantee the validity and/or accuracy for use, installation and orientation
methods of the muting devices that the customers made. Accordingly, customers intending to carry out the
muting function must check the all applicable regulations in effect in the country and region where the SL-
R12EX is used.
WARNING
Customers who carry out the muting function bear sole responsibility for complying
with the requirements imposed on that function. KEYENCE makes no guarantee
regarding damage arising from installation, orientation, usage, or maintenance not
in accordance with what is described in this instruction manual, or from the failure
to follow all applicable regulations in effect in the country and region in which the
SL-R12EX is used.